2 * Driver for Gravis UltraSound MAX soundcard
3 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include <sound/driver.h>
24 #include <linux/init.h>
25 #include <linux/delay.h>
26 #include <linux/time.h>
27 #include <linux/moduleparam.h>
28 #include <sound/core.h>
29 #include <sound/gus.h>
30 #include <sound/cs4231.h>
31 #define SNDRV_LEGACY_AUTO_PROBE
32 #define SNDRV_LEGACY_FIND_FREE_IRQ
33 #define SNDRV_LEGACY_FIND_FREE_DMA
34 #include <sound/initval.h>
36 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
37 MODULE_DESCRIPTION("Gravis UltraSound MAX");
38 MODULE_LICENSE("GPL");
39 MODULE_CLASSES("{sound}");
40 MODULE_DEVICES("{{Gravis,UltraSound MAX}}");
42 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
43 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
44 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
45 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x230,0x240,0x250,0x260 */
46 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 2,3,5,9,11,12,15 */
47 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
48 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
49 static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
50 /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
51 static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
52 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
55 module_param_array(index, int, boot_devs, 0444);
56 MODULE_PARM_DESC(index, "Index value for GUS MAX soundcard.");
57 MODULE_PARM_SYNTAX(index, SNDRV_INDEX_DESC);
58 module_param_array(id, charp, boot_devs, 0444);
59 MODULE_PARM_DESC(id, "ID string for GUS MAX soundcard.");
60 MODULE_PARM_SYNTAX(id, SNDRV_ID_DESC);
61 module_param_array(enable, bool, boot_devs, 0444);
62 MODULE_PARM_DESC(enable, "Enable GUS MAX soundcard.");
63 MODULE_PARM_SYNTAX(enable, SNDRV_ENABLE_DESC);
64 module_param_array(port, long, boot_devs, 0444);
65 MODULE_PARM_DESC(port, "Port # for GUS MAX driver.");
66 MODULE_PARM_SYNTAX(port, SNDRV_ENABLED ",allows:{{0x220},{0x230},{0x240},{0x250},{0x260}},dialog:list");
67 module_param_array(irq, int, boot_devs, 0444);
68 MODULE_PARM_DESC(irq, "IRQ # for GUS MAX driver.");
69 MODULE_PARM_SYNTAX(irq, SNDRV_ENABLED ",allows:{{3},{5},{9},{11},{12},{15}},dialog:list");
70 module_param_array(dma1, int, boot_devs, 0444);
71 MODULE_PARM_DESC(dma1, "DMA1 # for GUS MAX driver.");
72 MODULE_PARM_SYNTAX(dma1, SNDRV_DMA_DESC);
73 module_param_array(dma2, int, boot_devs, 0444);
74 MODULE_PARM_DESC(dma2, "DMA2 # for GUS MAX driver.");
75 MODULE_PARM_SYNTAX(dma2, SNDRV_DMA_DESC);
76 module_param_array(joystick_dac, int, boot_devs, 0444);
77 MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS MAX driver.");
78 MODULE_PARM_SYNTAX(joystick_dac, SNDRV_ENABLED ",allows:{{0,31}}");
79 module_param_array(channels, int, boot_devs, 0444);
80 MODULE_PARM_DESC(channels, "Used GF1 channels for GUS MAX driver.");
81 MODULE_PARM_SYNTAX(channels, SNDRV_ENABLED ",allows:{{14,32}}");
82 module_param_array(pcm_channels, int, boot_devs, 0444);
83 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS MAX driver.");
84 MODULE_PARM_SYNTAX(pcm_channels, SNDRV_ENABLED ",allows:{{2,16}}");
91 unsigned short gus_status_reg;
92 unsigned short pcm_status_reg;
95 static snd_card_t *snd_gusmax_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
98 static int __init snd_gusmax_detect(snd_gus_card_t * gus)
100 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
101 #ifdef CONFIG_SND_DEBUG_DETECT
105 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
106 snd_printk("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
111 if ((snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET) & 0x07) != 0)
115 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */
117 #ifdef CONFIG_SND_DEBUG_DETECT
121 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
122 snd_printk("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
127 if ((snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET) & 0x07) != 1)
133 static irqreturn_t snd_gusmax_interrupt(int irq, void *dev_id, struct pt_regs *regs)
135 struct snd_gusmax *maxcard = (struct snd_gusmax *) dev_id;
141 if (inb(maxcard->gus_status_reg)) {
143 snd_gus_interrupt(irq, maxcard->gus, regs);
146 if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */
148 snd_cs4231_interrupt(irq, maxcard->cs4231, regs);
151 } while (loop && --max > 0);
152 return IRQ_RETVAL(handled);
155 static void __init snd_gusmax_init(int dev, snd_card_t * card, snd_gus_card_t * gus)
159 gus->joystick_dac = joystick_dac[dev];
160 /* init control register */
161 gus->max_cntrl_val = (gus->gf1.port >> 4) & 0x0f;
162 if (gus->gf1.dma1 > 3)
163 gus->max_cntrl_val |= 0x10;
164 if (gus->gf1.dma2 > 3)
165 gus->max_cntrl_val |= 0x20;
166 gus->max_cntrl_val |= 0x40;
167 outb(gus->max_cntrl_val, GUSP(gus, MAXCNTRLPORT));
170 #define CS4231_PRIVATE( left, right, shift, mute ) \
171 ((left << 24)|(right << 16)|(shift<<8)|mute)
173 static int __init snd_gusmax_mixer(cs4231_t *chip)
175 snd_card_t *card = chip->card;
176 snd_ctl_elem_id_t id1, id2;
179 memset(&id1, 0, sizeof(id1));
180 memset(&id2, 0, sizeof(id2));
181 id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
182 /* reassign AUXA to SYNTHESIZER */
183 strcpy(id1.name, "Aux Playback Switch");
184 strcpy(id2.name, "Synth Playback Switch");
185 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
187 strcpy(id1.name, "Aux Playback Volume");
188 strcpy(id2.name, "Synth Playback Volume");
189 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
191 /* reassign AUXB to CD */
192 strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
193 strcpy(id2.name, "CD Playback Switch");
194 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
196 strcpy(id1.name, "Aux Playback Volume");
197 strcpy(id2.name, "CD Playback Volume");
198 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
201 /* reassign Mono Input to MIC */
202 if (snd_mixer_group_rename(mixer,
203 SNDRV_MIXER_IN_MONO, 0,
204 SNDRV_MIXER_IN_MIC, 0) < 0)
206 if (snd_mixer_elem_rename(mixer,
207 SNDRV_MIXER_IN_MONO, 0, SNDRV_MIXER_ETYPE_INPUT,
208 SNDRV_MIXER_IN_MIC, 0) < 0)
210 if (snd_mixer_elem_rename(mixer,
211 "Mono Capture Volume", 0, SNDRV_MIXER_ETYPE_VOLUME1,
212 "Mic Capture Volume", 0) < 0)
214 if (snd_mixer_elem_rename(mixer,
215 "Mono Capture Switch", 0, SNDRV_MIXER_ETYPE_SWITCH1,
216 "Mic Capture Switch", 0) < 0)
222 static void snd_gusmax_free(snd_card_t *card)
224 struct snd_gusmax *maxcard = (struct snd_gusmax *)card->private_data;
228 if (maxcard->irq >= 0)
229 free_irq(maxcard->irq, (void *)maxcard);
232 static int __init snd_gusmax_probe(int dev)
234 static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
235 static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
236 int xirq, xdma1, xdma2, err;
238 snd_gus_card_t *gus = NULL;
240 struct snd_gusmax *maxcard;
242 card = snd_card_new(index[dev], id[dev], THIS_MODULE,
243 sizeof(struct snd_gusmax));
246 card->private_free = snd_gusmax_free;
247 maxcard = (struct snd_gusmax *)card->private_data;
248 maxcard->card = card;
252 if (xirq == SNDRV_AUTO_IRQ) {
253 if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
255 snd_printk("unable to find a free IRQ\n");
260 if (xdma1 == SNDRV_AUTO_DMA) {
261 if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
263 snd_printk("unable to find a free DMA1\n");
268 if (xdma2 == SNDRV_AUTO_DMA) {
269 if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
271 snd_printk("unable to find a free DMA2\n");
276 if ((err = snd_gus_create(card,
285 if ((err = snd_gusmax_detect(gus)) < 0) {
289 maxcard->gus_status_reg = gus->gf1.reg_irqstat;
290 maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
291 snd_gusmax_init(dev, card, gus);
292 if ((err = snd_gus_initialize(gus)) < 0) {
296 if (!gus->max_flag) {
297 printk(KERN_ERR "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port);
302 if (request_irq(xirq, snd_gusmax_interrupt, SA_INTERRUPT, "GUS MAX", (void *)maxcard)) {
304 printk(KERN_ERR "gusmax: unable to grab IRQ %d\n", xirq);
309 if ((err = snd_cs4231_create(card,
310 gus->gf1.port + 0x10c, -1, xirq,
311 xdma2 < 0 ? xdma1 : xdma2, xdma1,
314 CS4231_HWSHARE_DMA1 |
320 if ((err = snd_cs4231_pcm(cs4231, 0, NULL)) < 0) {
324 if ((err = snd_cs4231_mixer(cs4231)) < 0) {
328 if ((err = snd_cs4231_timer(cs4231, 2, NULL)) < 0) {
332 if (pcm_channels[dev] > 0) {
333 if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0) {
338 if ((err = snd_gusmax_mixer(cs4231)) < 0) {
343 if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0) {
348 sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1);
350 sprintf(card->longname + strlen(card->longname), "&%i", xdma2);
351 if ((err = snd_card_register(card)) < 0) {
357 maxcard->cs4231 = cs4231;
358 snd_gusmax_cards[dev] = card;
362 static int __init snd_gusmax_legacy_auto_probe(unsigned long xport)
367 for ( ; dev < SNDRV_CARDS; dev++) {
368 if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT)
371 res = snd_gusmax_probe(dev);
373 port[dev] = SNDRV_AUTO_PORT;
379 static int __init alsa_card_gusmax_init(void)
381 static unsigned long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260, -1};
384 for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev] > 0; dev++) {
385 if (port[dev] == SNDRV_AUTO_PORT)
387 if (snd_gusmax_probe(dev) >= 0)
390 i = snd_legacy_auto_probe(possible_ports, snd_gusmax_legacy_auto_probe);
396 printk(KERN_ERR "GUS MAX soundcard not found or device busy\n");
403 static void __exit alsa_card_gusmax_exit(void)
407 for (idx = 0; idx < SNDRV_CARDS; idx++)
408 snd_card_free(snd_gusmax_cards[idx]);
411 module_init(alsa_card_gusmax_init)
412 module_exit(alsa_card_gusmax_exit)